don det-don khone historic former railway bridge at sunset,crossing the mekong river, 4000 islands,southern laos

laos four islands bridge historic french colonial khon khone 4000 traversing crossing motorbikes connecting remote mekong river det running waters sunset views viewpoint view water reflections tropical riverside riverbank sunlight landmark lights hanging tree branches branch overhanging road railway ornamental lamps phan waterways archipelago south island rural det-don former southern looking popular tourists cross relax decorative